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authorMatthew Heon <matthew.heon@pm.me>2020-07-09 13:50:01 -0400
committerMatthew Heon <matthew.heon@pm.me>2020-07-09 13:54:47 -0400
commit4b784b377cea542228278f2ea501baa32b885be7 (patch)
tree8f53bd81b834ea36a45de84a26de3a680a41188a /libpod/storage.go
parent059bd37511e917f860e784307ee1f2766d8d4ec3 (diff)
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Remove all instances of named return "err" from Libpod
This was inspired by https://github.com/cri-o/cri-o/pull/3934 and much of the logic for it is contained there. However, in brief, a named return called "err" can cause lots of code confusion and encourages using the wrong err variable in defer statements, which can make them work incorrectly. Using a separate name which is not used elsewhere makes it very clear what the defer should be doing. As part of this, remove a large number of named returns that were not used anywhere. Most of them were once needed, but are no longer necessary after previous refactors (but were accidentally retained). Signed-off-by: Matthew Heon <matthew.heon@pm.me>
Diffstat (limited to 'libpod/storage.go')
-rw-r--r--libpod/storage.go8
1 files changed, 4 insertions, 4 deletions
diff --git a/libpod/storage.go b/libpod/storage.go
index be79b3fc0..e497d0daf 100644
--- a/libpod/storage.go
+++ b/libpod/storage.go
@@ -66,7 +66,7 @@ func (metadata *RuntimeContainerMetadata) SetMountLabel(mountLabel string) {
// CreateContainerStorage creates the storage end of things. We already have the container spec created
// TO-DO We should be passing in an Image object in the future.
-func (r *storageService) CreateContainerStorage(ctx context.Context, systemContext *types.SystemContext, imageName, imageID, containerName, containerID string, options storage.ContainerOptions) (cinfo ContainerInfo, err error) {
+func (r *storageService) CreateContainerStorage(ctx context.Context, systemContext *types.SystemContext, imageName, imageID, containerName, containerID string, options storage.ContainerOptions) (_ ContainerInfo, retErr error) {
span, _ := opentracing.StartSpanFromContext(ctx, "createContainerStorage")
span.SetTag("type", "storageService")
defer span.Finish()
@@ -132,9 +132,9 @@ func (r *storageService) CreateContainerStorage(ctx context.Context, systemConte
// If anything fails after this point, we need to delete the incomplete
// container before returning.
defer func() {
- if err != nil {
- if err2 := r.store.DeleteContainer(container.ID); err2 != nil {
- logrus.Infof("%v deleting partially-created container %q", err2, container.ID)
+ if retErr != nil {
+ if err := r.store.DeleteContainer(container.ID); err != nil {
+ logrus.Infof("%v deleting partially-created container %q", err, container.ID)
return
}